def make_dir_readable (filename):
"""Make directory user readable and executable."""
util.set_mode(filename, stat.S_IRUSR|stat.S_IXUSR)
def make_file_readable (filename):
"""Make file user readable if it is not a link."""
if not os.path.islink(filename):
util.set_mode(filename, stat.S_IRUSR)
